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  1. Hadoop Map/Reduce
  2. MAPREDUCE-6903

NPE occured when run MapredTestDriver's testcase

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    Details

    • Type: Bug
    • Status: Patch Available
    • Priority: Major
    • Resolution: Unresolved
    • Affects Version/s: 3.0.0-alpha4
    • Fix Version/s: None
    • Component/s: test
    • Labels:
    • Target Version/s:
    • Flags:
      Patch

      Description

      When runing the timelineperformance test from MapredTestDriver without input parameter, an NPE was throwed:

      ./hadoop org.apache.hadoop.test.MapredTestDriver timelineperformance
      ...
      2017-06-08 09:32:13,194 ERROR mapreduce.SimpleEntityWriterV1: writing to the timeline service failed
      java.lang.NullPointerException
      at org.apache.hadoop.yarn.client.api.impl.TimelineClientImpl.putEntities(TimelineClientImpl.java:178)
      at org.apache.hadoop.mapreduce.SimpleEntityWriterV1.map(SimpleEntityWriterV1.java:82)
      at org.apache.hadoop.mapreduce.SimpleEntityWriterV1.map(SimpleEntityWriterV1.java:41)
      at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:146)
      at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:793)
      at org.apache.hadoop.mapred.MapTask.run(MapTask.java:341)
      at org.apache.hadoop.mapred.LocalJobRunner$Job$MapTaskRunnable.run(LocalJobRunner.java:271)
      at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
      at java.util.concurrent.FutureTask.run(FutureTask.java:266)
      at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
      at java.lang.Thread.run(Thread.java:745)

      That's better to add a protection of NULL pointer check.

        Attachments

        1. MAPREDUCE-6903.001.patch
          9 kB
          LiXin Ge
        2. MAPREDUCE-6903.002.patch
          2 kB
          LiXin Ge
        3. MAPREDUCE-6903.003.patch
          5 kB
          LiXin Ge
        4. MAPREDUCE-6903.004.patch
          5 kB
          LiXin Ge

          Activity

            People

            • Assignee:
              GeLiXin LiXin Ge
              Reporter:
              GeLiXin LiXin Ge
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              Dates

              • Created:
                Updated: